19842537

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 32449536

約数和(自身を除く): 12606999

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 2011, 3289, 6033, 9867, 22121, 26143, 46253, 66363, 78429, 138759, 287573, 508783, 601289, 862719, 1526349, 1803867, 6614179, 19842537]

約数ペア:

[(1, 19842537), (3, 6614179), (11, 1803867), (13, 1526349), (23, 862719), (33, 601289), (39, 508783), (69, 287573), (143, 138759), (253, 78429), (299, 66363), (429, 46253), (759, 26143), (897, 22121), (2011, 9867), (3289, 6033)]